<mat-chip-listbox
    [disabled]="isDisabled"
    [aria-orientation]="'horizontal'">
  <mat-chip-option (removed)="remove()">Chip 1</mat-chip-option>
  <mat-chip-option (removed)="remove()">
    Chip 2
    <button matChipRemove aria-label="remove Chip 2"><mat-icon>remove_icon</mat-icon></button>
  </mat-chip-option>
  <mat-chip-option (removed)="remove()"><mat-chip-avatar>C</mat-chip-avatar>Chip 4</mat-chip-option>
</mat-chip-listbox>